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drm/amd/display: Fix missing dc_3dlut forward declaration

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[WHY]
The __set_colorop_3dlut() prototype in the KUnit-test section of
amdgpu_dm_color.h references struct dc_3dlut, but no forward
declaration for that struct exists in the header.

The forward declaration was originally present but was repurposed
into struct dc_plane_cm when the adjacent amdgpu_dm_atomic_lut3d()
prototype was updated, leaving __set_colorop_3dlut() without a
declaration for struct dc_3dlut.

[HOW]
Add back forward declaration of struct dc_3dlut alongside the other
forward declarations at the top of the header.

Fixes: b008c67efb ("drm/amd/display: Introduce dc_plane_cm and migrate surface update color path")
Cc: Alex Hung <alex.hung@amd.com>
Reviewed-by: Bhawanpreet Lakha <bhawanpreet.lakha@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Wayne Lin <wayne.lin@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Hung 2026-07-13 11:18:40 -06:00 committed by Alex Deucher
parent 7b5e55ba1d
commit 957f52eb5c
1 changed files with 1 additions and 0 deletions
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1
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.h
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@ -44,6 +44,7 @@ struct dc_plane_state;
struct fixed31_32;
struct tetrahedral_params;
struct dc_transfer_func;
struct dc_3dlut;
#if IS_ENABLED(CONFIG_DRM_AMD_DC_KUNIT_TEST)
/*